Semiconductor capacitive fingerprint sensor module with UART communication, designed for reliable fingerprint acquisition and onmodule identification in a compact round form factor. Built for straightforward integration into access control, attendance, and embedded security projects. Key benefits Reliable biometric authentication: Semiconductor capacitive sensing captures fingerprint patterns with fine detail to support accurate matching and reduce false readings. Easy integration: UART communication simplifies connection to microcontrollers and single board computers without complex wiring or drivers. Compact and adaptable form factor: Round design and small footprint allow installation in panels, enclosures, or handheld devices where space is limited. Fast acquisition and identification: Onmodule processing speeds up enrollment and verification, reducing user wait time and system load. Durable solidstate construction: Semiconductor sensor technology provides longterm stability for frequent use in daily access or identification workflows. Core features and attributes Function: Fingerprint acquisition and identification performed by an integrated capacitive sensor and processing module. Communication: UART serial interface for command, enrollment, and verification operations. Form factor: Round sensor module for panel mounting or integration into circular openings. Compatibility: Designed to interface with common microcontrollers and embedded platforms via UART; suitable for firmwaredriven applications. Performance: Optimized for responsive capture and matching to support realtime authentication tasks. Material and build: Solidstate semiconductor capacitive sensor for consistent sensing performance and mechanical durability. Integration notes Connect via UART to send commands for enrollment, verification, and template management. Typical implementation requires a microcontroller or host processor to handle system logic, user management, and power control. Mount the round module in a panel or enclosure with appropriate cutout; secure mounting ensures consistent finger placement for reliable readings. Typical applications Access control: Integrate into door controllers, turnstiles, or cabinet locks to grant entry based on fingerprint verification. Time and attendance: Use in employee checkin terminals to accurately and quickly record work hours without cards or PINs. Embedded security devices: Add biometric authentication to IoT devices, kiosks, point of terminals, or custom hardware that requires secure user identification. Why choose this module Focused on practical integration and reliable biometric performance for embedded systems. Simplifies development by providing sensor acquisition and identification functions with a standard UART interface. Round, compact design that fits a variety of device layouts while delivering consistent fingerprint sensing. For developers and integrators, the module provides a straightforward biometric building block for projects requiring ondevice fingerprint acquisition and verification through UART communication.